/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.maven.model.interpolation.reflection;
  
  /*
   * Copyright The Codehaus Foundation.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  /**
   * ReflectionValueExtractorTest class.
   */
  public class ReflectionValueExtractorTest {
      private Project project;
  
      /**
       * <p>setUp.</p>
       */
      @BeforeEach
      void setUp() {
          Dependency dependency1 = new Dependency();
          dependency1.setArtifactId("dep1");
          Dependency dependency2 = new Dependency();
          dependency2.setArtifactId("dep2");
  
          project = new Project();
          project.setModelVersion("4.0.0");
          project.setGroupId("org.apache.maven");
          project.setArtifactId("maven-core");
          project.setName("Maven");
          project.setVersion("2.0-SNAPSHOT");
          project.setScm(new Scm());
          project.getScm().setConnection("scm-connection");
          project.addDependency(dependency1);
          project.addDependency(dependency2);
          project.setBuild(new Build());
  
          // Build up an artifactMap
          project.addArtifact(new Artifact("g0", "a0", "v0", "e0", "c0"));
          project.addArtifact(new Artifact("g1", "a1", "v1", "e1", "c1"));
          project.addArtifact(new Artifact("g2", "a2", "v2", "e2", "c2"));
      }
  
      /**
       * <p>testValueExtraction.</p>
       *
       * @throws Exception if any.
       */
      @Test
      void testValueExtraction() throws Exception {
          // ----------------------------------------------------------------------
          // Top level values
          // ----------------------------------------------------------------------
  
          assertEquals("4.0.0", ReflectionValueExtractor.evaluate("project.modelVersion", project));
  
          assertEquals("org.apache.maven", ReflectionValueExtractor.evaluate("project.groupId", project));
  
          assertEquals("maven-core", ReflectionValueExtractor.evaluate("project.artifactId", project));
  
         assertEquals("Maven", ReflectionValueExtractor.evaluate("project.name", project));
 
         assertEquals("2.0-SNAPSHOT", ReflectionValueExtractor.evaluate("project.version", project));
 
         // ----------------------------------------------------------------------
         // SCM
         // ----------------------------------------------------------------------
 
         assertEquals("scm-connection", ReflectionValueExtractor.evaluate("project.scm.connection", project));
 
         // ----------------------------------------------------------------------
         // Dependencies
         // ----------------------------------------------------------------------
 
         List<?> dependencies = (List) ReflectionValueExtractor.evaluate("project.dependencies", project);
 
         assertNotNull(dependencies);
 
         assertEquals(2, dependencies.size());
 
         // ----------------------------------------------------------------------
         // Dependencies - using index notation
         // ----------------------------------------------------------------------
 
         // List
         Dependency dependency = (Dependency) ReflectionValueExtractor.evaluate("project.dependencies[0]", project);
 
         assertNotNull(dependency);
 
         assertEquals("dep1", dependency.getArtifactId());
 
         String artifactId = (String) ReflectionValueExtractor.evaluate("project.dependencies[1].artifactId", project);
 
         assertEquals("dep2", artifactId);
 
         // Array
 
         dependency = (Dependency) ReflectionValueExtractor.evaluate("project.dependenciesAsArray[0]", project);
 
         assertNotNull(dependency);
 
         assertEquals("dep1", dependency.getArtifactId());
 
         artifactId = (String) ReflectionValueExtractor.evaluate("project.dependenciesAsArray[1].artifactId", project);
 
         assertEquals("dep2", artifactId);
 
         // Map
 
         dependency = (Dependency) ReflectionValueExtractor.evaluate("project.dependenciesAsMap(dep1)", project);
 
         assertNotNull(dependency);
 
         assertEquals("dep1", dependency.getArtifactId());
 
         artifactId = (String) ReflectionValueExtractor.evaluate("project.dependenciesAsMap(dep2).artifactId", project);
 
         assertEquals("dep2", artifactId);
 
         // ----------------------------------------------------------------------
         // Build
         // ----------------------------------------------------------------------
 
         Build build = (Build) ReflectionValueExtractor.evaluate("project.build", project);
 
         assertNotNull(build);
     }
 
     /**
      * <p>testValueExtractorWithAInvalidExpression.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testValueExtractorWithAInvalidExpression() throws Exception {
         assertNull(ReflectionValueExtractor.evaluate("project.foo", project));
         assertNull(ReflectionValueExtractor.evaluate("project.dependencies[10]", project));
         assertNull(ReflectionValueExtractor.evaluate("project.dependencies[0].foo", project));
     }
 
     /**
      * <p>testMappedDottedKey.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testMappedDottedKey() throws Exception {
         Map<String, String> map = new HashMap<String, String>();
         map.put("a.b", "a.b-value");
 
         assertEquals("a.b-value", ReflectionValueExtractor.evaluate("h.value(a.b)", new ValueHolder(map)));
     }
 
     /**
      * <p>testIndexedMapped.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testIndexedMapped() throws Exception {
         Map<Object, Object> map = new HashMap<Object, Object>();
         map.put("a", "a-value");
         List<Object> list = new ArrayList<Object>();
         list.add(map);
 
         assertEquals("a-value", ReflectionValueExtractor.evaluate("h.value[0](a)", new ValueHolder(list)));
     }
 
     /**
      * <p>testMappedIndexed.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testMappedIndexed() throws Exception {
         List<Object> list = new ArrayList<Object>();
         list.add("a-value");
         Map<Object, Object> map = new HashMap<Object, Object>();
         map.put("a", list);
         assertEquals("a-value", ReflectionValueExtractor.evaluate("h.value(a)[0]", new ValueHolder(map)));
     }
 
     /**
      * <p>testMappedMissingDot.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testMappedMissingDot() throws Exception {
         Map<Object, Object> map = new HashMap<Object, Object>();
         map.put("a", new ValueHolder("a-value"));
         assertNull(ReflectionValueExtractor.evaluate("h.value(a)value", new ValueHolder(map)));
     }
 
     /**
      * <p>testIndexedMissingDot.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testIndexedMissingDot() throws Exception {
         List<Object> list = new ArrayList<Object>();
         list.add(new ValueHolder("a-value"));
         assertNull(ReflectionValueExtractor.evaluate("h.value[0]value", new ValueHolder(list)));
     }
 
     /**
      * <p>testDotDot.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testDotDot() throws Exception {
         assertNull(ReflectionValueExtractor.evaluate("h..value", new ValueHolder("value")));
     }
 
     /**
      * <p>testBadIndexedSyntax.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testBadIndexedSyntax() throws Exception {
         List<Object> list = new ArrayList<Object>();
         list.add("a-value");
         Object value = new ValueHolder(list);
 
         assertNull(ReflectionValueExtractor.evaluate("h.value[", value));
         assertNull(ReflectionValueExtractor.evaluate("h.value[]", value));
         assertNull(ReflectionValueExtractor.evaluate("h.value[a]", value));
         assertNull(ReflectionValueExtractor.evaluate("h.value[0", value));
         assertNull(ReflectionValueExtractor.evaluate("h.value[0)", value));
         assertNull(ReflectionValueExtractor.evaluate("h.value[-1]", value));
     }
 
     /**
      * <p>testBadMappedSyntax.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testBadMappedSyntax() throws Exception {
         Map<Object, Object> map = new HashMap<Object, Object>();
         map.put("a", "a-value");
         Object value = new ValueHolder(map);
 
         assertNull(ReflectionValueExtractor.evaluate("h.value(", value));
         assertNull(ReflectionValueExtractor.evaluate("h.value()", value));
         assertNull(ReflectionValueExtractor.evaluate("h.value(a", value));
         assertNull(ReflectionValueExtractor.evaluate("h.value(a]", value));
     }
 
     /**
      * <p>testIllegalIndexedType.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testIllegalIndexedType() throws Exception {
         try {
             ReflectionValueExtractor.evaluate("h.value[1]", new ValueHolder("string"));
         } catch (Exception e) {
             // TODO assert exception message
         }
     }
 
     /**
      * <p>testIllegalMappedType.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testIllegalMappedType() throws Exception {
         try {
             ReflectionValueExtractor.evaluate("h.value(key)", new ValueHolder("string"));
         } catch (Exception e) {
             // TODO assert exception message
         }
     }
 
     /**
      * <p>testTrimRootToken.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testTrimRootToken() throws Exception {
         assertNull(ReflectionValueExtractor.evaluate("project", project, true));
     }
 
     /**
      * <p>testArtifactMap.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testArtifactMap() throws Exception {
         assertEquals(
                 "g0",
                 ((Artifact) ReflectionValueExtractor.evaluate("project.artifactMap(g0:a0:c0)", project)).getGroupId());
         assertEquals(
                 "a1",
                 ((Artifact) ReflectionValueExtractor.evaluate("project.artifactMap(g1:a1:c1)", project))
                         .getArtifactId());
         assertEquals(
                 "c2",
                 ((Artifact) ReflectionValueExtractor.evaluate("project.artifactMap(g2:a2:c2)", project))
                         .getClassifier());
     }
 
     public static class Artifact {
         private String groupId;
 
         private String artifactId;
 
         private String version;
 
         private String extension;
 
         private String classifier;
 
         public Artifact(String groupId, String artifactId, String version, String extension, String classifier) {
             this.groupId = groupId;
             this.artifactId = artifactId;
             this.version = version;
             this.extension = extension;
             this.classifier = classifier;
         }
 
         public String getGroupId() {
             return groupId;
         }
 
         public void setGroupId(String groupId) {
             this.groupId = groupId;
         }
 
         public String getArtifactId() {
             return artifactId;
         }
 
         public void setArtifactId(String artifactId) {
             this.artifactId = artifactId;
         }
 
         public String getVersion() {
             return version;
         }
 
         public void setVersion(String version) {
             this.version = version;
         }
 
         public String getExtension() {
             return extension;
         }
 
         public void setExtension(String extension) {
             this.extension = extension;
         }
 
         public String getClassifier() {
             return classifier;
         }
 
         public void setClassifier(String classifier) {
             this.classifier = classifier;
         }
     }
 
     public static class Project {
         private String modelVersion;
 
         private String groupId;
 
         private Scm scm;
 
         private List<Dependency> dependencies = new ArrayList<>();
 
         private Build build;
 
         private String artifactId;
 
         private String name;
 
         private String version;
 
         private Map<String, Artifact> artifactMap = new HashMap<>();
         private String description;
 
         public void setModelVersion(String modelVersion) {
             this.modelVersion = modelVersion;
         }
 
         public void setGroupId(String groupId) {
             this.groupId = groupId;
         }
 
         public void setScm(Scm scm) {
             this.scm = scm;
         }
 
         public void addDependency(Dependency dependency) {
             this.dependencies.add(dependency);
         }
 
         public void setBuild(Build build) {
             this.build = build;
         }
 
         public void setArtifactId(String artifactId) {
             this.artifactId = artifactId;
         }
 
         public void setName(String name) {
             this.name = name;
         }
 
         public void setVersion(String version) {
             this.version = version;
         }
 
         public Scm getScm() {
             return scm;
         }
 
         public String getModelVersion() {
             return modelVersion;
         }
 
         public String getGroupId() {
             return groupId;
         }
 
         public List<Dependency> getDependencies() {
             return dependencies;
         }
 
         public Build getBuild() {
             return build;
         }
 
         public String getArtifactId() {
             return artifactId;
         }
 
         public String getName() {
             return name;
         }
 
         public String getVersion() {
             return version;
         }
 
         public Dependency[] getDependenciesAsArray() {
             return getDependencies().toArray(new Dependency[0]);
         }
 
         public Map<String, Dependency> getDependenciesAsMap() {
             Map<String, Dependency> ret = new HashMap<>();
             for (Dependency dep : getDependencies()) {
                 ret.put(dep.getArtifactId(), dep);
             }
             return ret;
         }
 
         // ${project.artifactMap(g:a:v)}
         public void addArtifact(Artifact a) {
             artifactMap.put(a.getGroupId() + ":" + a.getArtifactId() + ":" + a.getClassifier(), a);
         }
 
         public Map<String, Artifact> getArtifactMap() {
             return artifactMap;
         }
 
         public void setDescription(String description) {
             this.description = description;
         }
 
         public String getDescription() {
             return description;
         }
     }
 
     public static class Build {}
 
     public static class Dependency {
         private String artifactId;
 
         public String getArtifactId() {
             return artifactId;
         }
 
         public void setArtifactId(String id) {
             artifactId = id;
         }
     }
 
     public static class Scm {
         private String connection;
 
         public void setConnection(String connection) {
             this.connection = connection;
         }
 
         public String getConnection() {
             return connection;
         }
     }
 
     public static class ValueHolder {
         private final Object value;
 
         public ValueHolder(Object value) {
             this.value = value;
         }
 
         public Object getValue() {
             return value;
         }
     }
 
     /**
      * <p>testRootPropertyRegression.</p>
      *
      * @throws Exception if any.
      */
     @Test
     public void testRootPropertyRegression() throws Exception {
         Project project = new Project();
         project.setDescription("c:\\\\org\\apache\\test");
         Object evalued = ReflectionValueExtractor.evaluate("description", project);
         assertNotNull(evalued);
     }
 }